CN2818312Y

CN2818312Y - Vertical tube structure of bicycle

Info

Publication number: CN2818312Y
Application number: CN 200420103320
Authority: CN
Inventors: 陈潮湖
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-12-31
Filing date: 2004-12-31
Publication date: 2006-09-20
Anticipated expiration: 2014-12-31

Abstract

The utility model relates to a vertical tube structure of a bicycle, which comprises a vertical tube body, a fastener and a screwing sleeve, wherein a front lacing ring sheathed with handle sleeves of a bicycle head is arranged at one end of the vertical tube body, and a tubular rear lacing ring of which the upper part and the lower part are communicated, for being sheathed by the screwing sleeve is arranged at the other end; the fastener forms a ring shape, and threads corresponding to the screwing sleeve is arranged at the inner edge of the faster; the tubular screwing sleeve is sheathed at one end of a fork tube of the bicycle; the relative taper difference between the screwing sleeve and the rear lacing ring enables the rear lacing ring, the screwing sleeve and the fork tube to be in a close matching and combination state; threads for being screwed by the fastener are arranged at the upper end of the screwing sleeve. The rear lacing sleeve of the vertical tube body is matched with the screwing sleeve and the fastener of the utility model so that the fork tube of the bicycle is fixedly sheathed, and screw components are not exposed. Thus, the utility model which has an associative perception in appearance can not hook users or lacerate the clothes of the users; in addition, a butting part of the screwing component is completely clamped in the fork tube; thus, the bond strength is enhanced.

Description

The bicycle profile tube structure

[technical field]

The utility model relates to a kind of bicycle profile tube structure,, be meant that especially a kind of making assembling is more easy, and external form is than the headstock standpipe structure of tool associative perception.

[background technology]

Bicycle has can go on a long journey the characteristic of taking into account environmental protection again, and in today of paying attention to recreation, be engaged in stress-relieving activity out of doors, experience the happy of the Nature, optimum also can reach motion healthy promptly be by bike, the bicycle physique of not only exercising of going for a drive also can be contributed to one's peace of mind of inner tranquility, and is best suited for modern's motion; And being breeches pipe with a standpipe and bicycle, the headstock handle of bicycle links up, therefore the headstock standpipe is an indispensable assembly in the bicycle, see also the Taiwan patent No. 475551, name is called " bicycle profile tube ", it mainly is to be used for locking bicycle branch pipe headstock handle, comprise that a transverse tube and two is connected to the beam ring at the both ends of transverse tube, the solid breeches pipe of wherein a branch of ring lock, another beam ring is used for the handle that locks, and this beam ring is provided with a groove, and be provided with screw tightening at this groove, when the breeches pipe of bicycle cover fashionable, just can beam ring be locked by means of screw tightening, to reach the stack-mounted purpose, and the beam ring of this existing standpipe must cut open in beam ring one side earlier during fabrication and establishes a groove, like this then can cause inconvenience in the production, and existing beam ring is to utilize the screw tightening spiral shell to be located at the both sides of groove, beam ring is tightened up to reach the effect of stationary bicycle breeches pipe, yet, this mode of utilizing screw tightening to tighten up beam ring, outside this screw tightening protrudes from, the seat cushion that the breeches pipe rear then is not to use the person to take, therefore the user is last, during following bicycle, the screw tightening that is very likely protruded scratches or makes the clothing breakage, and only by the solid breeches pipe of a side chain, the urgent effect that it provided is limited, more can destroy associative perception in appearance for screw tightening, a real non-ideal designs, therefore as a complete unit, it can be said so and considerably not have practicality, and in addition improved necessity is arranged in fact.

[utility model content]

Technical problem to be solved in the utility model is: a kind of bicycle profile tube structure is provided, and it is more easy that it makes assembling, and external form do not have screw tightening to expose than the tool associative perception, and anchoring strength is good.

For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of bicycle profile tube structure is provided, comprise a standpipe body, a fastener and a urgent cover, wherein, this standpipe body one end be provided with one with the preceding beam ring of headstock handle fit, the other end then forms one and is the tubulose that connects up and down for the sheathed back beam ring of urgent cover; This fastener is a ring-type, and the fastener inner edge is provided with the screw thread that corresponds to urgent cover; This urgent cover is a tubulose, and is sheathed on bicycle branch pipe one end, and urgent cover has relative tapering difference with the back beam ring and make back beam ring, urgent cover and breeches pipe three be friction tight bonding state, and the upper end of urgent cover is provided with the screw thread that supplies the fastener spiral shell to establish.

The beneficial effects of the utility model are: the utility model cooperates urgent cover and fastener to reach the purpose of the solid bicycle branch pipe of cover the back beam ring of standpipe body, and there is not the screw tightening that exposes, therefore has associative perception in appearance, can not hinder the user or scratch user's clothing by hook yet, and urgent cover block holding part is by this breeches pipe of clamping in all directions, so also can promote to some extent on anchoring strength.

Below in conjunction with accompanying drawing the utility model is described in further detail.

[description of drawings]

Fig. 1 is the STRUCTURE DECOMPOSITION figure of the utility model bicycle profile tube structure.

Fig. 2, Fig. 3 are the assembled state cutaway views of the utility model bicycle profile tube structure.

Fig. 4 is that schematic appearance is finished in the assembling of the utility model bicycle profile tube structure.

Fig. 5 is the cut-away view of the utility model second embodiment.

Fig. 6 is the schematic appearance of the utility model second embodiment.

Fig. 7 is the STRUCTURE DECOMPOSITION scheme drawing of the utility model the 3rd embodiment.

[specific embodiment]

The utility model sees also Fig. 1 to shown in Figure 3 about a kind of bicycle profile tube structure, and this bicycle profile tube structure mainly comprises a standpipe body 1, one urgent cover 21, fastener 22, wherein:

Beam ring 11 before this standpipe body 1 front end has one, and before the headstock handle 31 of bicycle is sheathed in the beam ring 11, this standpipe body 1 rear end then has in a tubular form a back beam ring 12, this back beam ring 12 axially with preceding beam ring 11 axially in vertical state, and this back beam ring 12 can cooperate urgent cover 21 and fastener 22 and reach the purpose of urgent stationary bicycle breeches pipe 32;

This urgent cover 21 corresponds to the internal diameter of back beam ring 12, and be from bottom to top gradually little taper shape, to have a relative tapering poor with back beam ring 12, and can be sheathed for breeches pipe 32, and the lower end of urgent cover 21 is divided into several pieces block holding parts 212 (with four profile grooves urgent cover lower end being divided into four block holding parts in the present embodiment) by profile groove 211, make block holding part 212 tool expansion and the elasticity of shrinking slightly, and the upper end of urgent cover 21 is provided with the screw thread of establishing for fastener 22 spiral shells 213;

This fastener 22 is a ring-type, the external diameter of fastener 22 is greater than the internal diameter of back beam ring 12, but fastener 22 spiral shells are located on the screw thread 213 of urgent cover 21 and fastener 22 inner edges are provided with the screw thread 221 that corresponds to urgent cover 21, and fastener 22 outsides are provided with several short slots 222, change fastener 22 to make things convenient for user's spiral shell;

The utility model please cooperate and consult Fig. 2 to shown in Figure 4 when assembling, earlier breeches pipe 32 is inserted in by urgent cover 21 lower ends, makes urgent cover 21 be sheathed on an end of breeches pipe 32; Urgent cover 21 is inserted in by beam ring 12 lower ends, back, and makes the screw thread 213 of urgent cover 21 upper ends expose a part of outside the beam ring 12 of back; Fastener 22 spiral shells are located at screw thread 213 places of urgent cover 21 upper ends, and change fastener 22, and the friction force of the set short slot 222 in fastener 22 outsides can increase the pulling tool spiral shell and change the time makes fastener 22 easier screwing tight by means of the pulling tool spiral shell; And when fastener 22 spiral shells are located at urgent cover 21, this urgent cover 21 just can upwards be drawn gradually and be carried, the block holding part 212 of urgent cover 21 lower ends is filled in the beam ring 12 of back, because of the block holding part 212 of the urgent cover 21 tool expansion elasticity of shrinking slightly, therefore in the time of in block holding part 212 is filled in back beam ring 12, urgent cover 21 just can be located therein with breeches pipe 32 adapter sleeves by means of block holding part 212, and form friction tight in conjunction with aspect, and the outward appearance of assembling after finishing as shown in Figure 4, beam ring 12 matching fasteners 22 are solid with breeches pipe 32 covers with urgent cover 21 after the utility model utilization, therefore has associative perception in appearance, do not have the problem generation that screw tightening exposes, and urgent cover 21 and block holding part 212 are by this breeches pipe 32 of clamping in all directions, so also can promote to some extent on anchoring strength.

See also Fig. 5 and shown in Figure 6, it is the utility model bicycle profile tube structure second embodiment, wherein primary clustering is identical with first embodiment, this repeats no more, followingly only different structure is described, for making the utility model bicycle profile tube structure more both artistic and practical, also this fastener 22 can be embodied as a dome shape, so when fastener 22 is sheathed on the screw thread 213 of urgent cover 21, this fastener 22 just can be with back beam ring 12 upper end closeds, and make it have more complete beautiful visual effects, and can prevent that also foreign matter from falling into.

Please continue to consult shown in Figure 7, it is the utility model bicycle profile tube structure the 3rd embodiment, wherein also can cooperate a locking part to strengthen fixing power between this urgent cover 21 and the breeches pipe 32, this locking part comprises a collar 41, a upper shield 42 and a spiral shell spare 43 in present embodiment, this collar 41 is provided with arc and supports sheet 411, the direction of supporting sheet 411 along arc can be forced into the collar 41 in the breeches pipe 32 and can't take out, and be friction tight bonding state with breeches pipe 32, and these collar 41 central authorities also are provided with a spiral shell and establish hole 412; This upper shield 42 is a plate-like, and the external diameter of upper shield 42 only is slightly larger than the upper-end inner diameter of urgent cover 21, and upper shield 42 can not fallen in the urgent cover 21, do not hinder combining of urgent cover 21 and back beam ring 12 or fastener 22 yet, and these upper shield 42 central authorities also are provided with a perforation 421, stretch through for spiral shell spares 43 by this perforation 421, and the spiral shell that spiral shell spare 43 is locked on the collar 41 is established hole 412, make upper shield 42, urgent cover 21, the collar 41 combine closely with breeches pipe 32.

Claims

1, a kind of bicycle profile tube structure, comprise a standpipe body, it is characterized in that: it also comprises a fastener and a urgent cover, wherein, this standpipe body one end be provided with one with the preceding beam ring of headstock handle fit, the other end then forms one and is the tubulose that connects up and down for the sheathed back beam ring of urgent cover; This fastener is a ring-type, and its inner rim is provided with the screw thread that corresponds to urgent cover; This urgent cover is a tubulose, and is sheathed on bicycle branch pipe one end, and urgent cover has relative tapering difference with the back beam ring and make back beam ring, urgent cover and breeches pipe three be friction tight bonding state, and the upper end of urgent cover is provided with the screw thread that supplies the fastener spiral shell to establish.

2, bicycle profile tube structure as claimed in claim 1 is characterized in that: this urgent cover is from bottom to top gradually little coniform, and it is sheathed in the beam ring of back and to make that back beam ring and urgent cover have a relative tapering poor.

3, bicycle profile tube structure as claimed in claim 1 is characterized in that: this fastener outside is provided with at least one short slot.

4, bicycle profile tube structure as claimed in claim 1 is characterized in that: the lower end of this urgent cover is divided at least two having expansion and shrinking elastomeric block holding part.

5, bicycle profile tube structure as claimed in claim 1 is characterized in that: this fastener is one can be with the dome shape of back beam ring upper end closed.

6, bicycle profile tube structure as claimed in claim 1 is characterized in that: the fastener that is provided with an enhancing fixing power between this urgent cover and the breeches pipe.